1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.nfc.dhimpl; 18 19 import com.android.nfc.DeviceHost; 20 import com.android.nfc.LlcpPacket; 21 22 import java.io.IOException; 23 24 /** 25 * LlcpConnectionlessSocket represents a LLCP Connectionless object to be used 26 * in a connectionless communication 27 */ 28 public class NativeLlcpConnectionlessSocket implements DeviceHost.LlcpConnectionlessSocket { 29 30 private int mHandle; 31 private int mSap; 32 private int mLinkMiu; 33 34 public NativeLlcpConnectionlessSocket() { } 35 36 public native boolean doSendTo(int sap, byte[] data); 37 38 public native LlcpPacket doReceiveFrom(int linkMiu); 39 40 public native boolean doClose(); 41 42 @Override 43 public int getLinkMiu(){ 44 return mLinkMiu; 45 } 46 47 @Override 48 public int getSap(){ 49 return mSap; 50 } 51 52 @Override 53 public void send(int sap, byte[] data) throws IOException { 54 if (!doSendTo(sap, data)) { 55 throw new IOException(); 56 } 57 } 58 59 @Override 60 public LlcpPacket receive() throws IOException { 61 LlcpPacket packet = doReceiveFrom(mLinkMiu); 62 if (packet == null) { 63 throw new IOException(); 64 } 65 return packet; 66 } 67 68 public int getHandle(){ 69 return mHandle; 70 } 71 72 @Override 73 public void close() throws IOException { 74 if (!doClose()) { 75 throw new IOException(); 76 } 77 } 78 } 79
